Rapid Transit (859-5034 Commuter Expandable Tank Bag Wind and Water Resistant Heavy Duty Denier Construction; Bag maintains shape and has a lined interior Larger sized bag comfortably fits on most tanks; Integrated tank protector with scratch guard rubberized contact fabric Can be mounted as a tank bag using the strap mount kit provided or choose an optional mounting kit to mount it as a tail bag (Hook Mount) or use a combination of 2 mounts for a custom fit (Magnetic Mount, Suction Cup Mount) Map window, Key Clip and 3 organizer pockets under lid; Large Clear pocket for Smart phone and GPS storage with a built-in cable port access Rain cover included; Backpack convertible; Reflective stripe and logos; Standard 14" L X 10" W X 9" H Expanded, Holds 16.06 Liters to 20.64 Liters